by Jamie Starling | Jul 21, 2022 | The Art of Technology
Let’s take a quick look on how we can use OpenCV2 to capture a single frame from a webcam. The code below uses a web cam to capture a single frame, that stores the results in the image variable. We are using direct show to communicate with the cam and adjust the...
by Jamie Starling | Jul 19, 2022 | The Art of Technology
Z80 Pinouts CPU View Z80 CPU Pinout Grouped by Function Z80 CPU Pinout Signal Functions {Address Bus} A0-A15 – Address bus output tri-state (active High) 16bit Address Bus, provides address for memory data exchanges (up to 64K) and for IO device data exchanges....
by Jamie Starling | Jul 18, 2022 | The Art of Technology
The Z80 is an 8-bit microprocessor introduced by Zilog as the startup company’s first product. The Z80 was conceived by Federico Faggin in late 1974 and developed by him and his 11 employees starting in early 1975. The Zilog Z80 is a software-compatible...
by Jamie Starling | Jun 17, 2022 | The Art of Technology
In the past posts we looked at doing some image conversions using arrays and manual steps. All that is fun, it lets us see what is going on inside the black box. However, deadlines and everything else – we don’t want to have to reinvent the wheel each...
by Jamie Starling | Jun 15, 2022 | The Art of Technology
What is an image histogram – it is a profile of the occurrences of each gray level present in an image. In the visual example below – we are using a bar graph to visualize it. It starts at 0 and goes to 255, each vertical bar represents the number of times...
by Jamie Starling | Jun 8, 2022 | The Art of Technology
In the last post we took a look at averaging the RGB channels to produce a gray scale image. It does require some math division to get the result. If you need a way that is even simpler and faster than averaging – we can extract the values from one of the color...
